Leafs are turning yellow! Problem?

RedFox6353 · Jul 17, 2021

Is this a sign of harvest, or some kind of problem with the plant? It will enter in the 5th week of flowering (critical kush). Should i be worried?

RedFox6353 · Jul 17, 2021

By the way, the flowers are smelling really fusty...

RedFox6353 · Jul 17, 2021

RedFox6353 said:
By the way, the flowers are smelling really fusty...

And one of them got these "burn" marks or something...

mysticepipedon · Jul 17, 2021

Nutrients often become a little deficient during flower and the plant will pull N, P, K and Mg from other plant parts, like lower leaves. You can feed them a little more, but don't over-do it.

Don't expect the yellow leaves to ever "green up" again. At best, you can stop further yellowing. I had a strain that I grew once that just cannibalized its lower leaves and it didn't seem to care about added nutrients, so those strains exist.

Also, I think your light is too close.

GNick55 · Jul 17, 2021

mysticepipedon said:
Nutrients often become a little deficient during flower and the plant will pull N, P, K and Mg from other plant parts, like lower leaves. You can feed them a little more, but don't over-do it.

Don't expect the yellow leaves to ever "green up" again. At best, you can stop further yellowing. I had a strain that I grew once that just cannibalized its lower leaves and it didn't seem to care about added nutrients, so those strains exist.

Also, I think your light is too close.

+1

growsince79 · Jul 17, 2021

How big are the pots?
I have a couple look just like that. I think mine are way too big for the 2 gal pots for one thing. I have to water every day. I think I mistook the burnt leaf tips for overfeed then cut back on nutes and it got worse. Now I think the burnt tips are the start of K deficiency from nute lockout. The runoff ph was 5.6 so I added lime to bring it up.

Leafs are turning yellow! Problem?

Leafs are turning yellow! Problem?

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Leafs are turning yellow! Problem?

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